Company: Elision Technologies Pvt. Ltd.

Job Title: VoIP Developer

Location: Ahmedabad, Gujarat

Experience: 5+ Years

Employment Type: Full-Time

Department: Engineering / Product Development

About the Role

Elision Technologies Pvt. Ltd. is looking for an experienced VoIP Developer to develop, customize, and maintain enterprise-grade telecom and unified communication solutions. The ideal candidate should have strong expertise in FreeSWITCH, OpenSIPS, Asterisk, Kamailio, and FusionPBX, along with a solid understanding of SIP-based communication systems and VoIP technologies.

You will work closely with Product, QA, DevOps, and Support teams to build scalable, secure, and high-performance telecom applications for global customers.

Key Responsibilities

- Design, develop, and maintain VoIP and telecom applications.
- Configure, customize, and optimize FreeSWITCH, Asterisk, OpenSIPS, Kamailio, and FusionPBX.
- Develop SIP-based call routing, IVR, conferencing, recording, and telephony solutions.
- Integrate VoIP platforms with CRM systems, REST APIs, and third-party applications.
- Troubleshoot SIP, RTP, codec, NAT, and signalling issues.
- Optimize system performance, scalability, and high availability.
- Perform debugging, testing, and code reviews.
- Collaborate with cross-functional teams to deliver new features and product enhancements.
- Prepare technical documentation and follow development best practices.

Required Qualifications
- Bachelors degree in Computer Engineering, Information Technology, or a related field.
- 5+ years of experience in VoIP or Telecom Software Development.




- Strong programming skills in C, C++, Python, PHP, or Java.
- Hands-on experience with Linux environments and networking concepts.
- Good understanding of REST APIs, SQL databases, and system integration.

Required Technical Skills
- FreeSWITCH
- OpenSIPS
- Asterisk
- Kamailio
- FusionPBX
- SIP & RTP Protocols
- VoIP & IP Telephony
- WebRTC
- Linux Administration
- REST APIs
- MySQL / PostgreSQL
- TCP/IP & Networking

Preferred Skills
- Experience with Contact Center Solutions, Predictive Dialers, and Auto Dialers.
- Knowledge of Cloud Telephony, Unified Communications (UC), and IP PBX.
- Experience with Docker, Kubernetes, or cloud platforms.
- Familiarity with AI-powered Voice Bots and speech technologies is an added advantage.

Key Skills
- FreeSWITCH
- OpenSIPS
- Asterisk
- Kamailio
- FusionPBX
- SIP & VoIP

Why Join Elision Technologies
- Work on innovative VoIP, Contact Center, and AI-powered communication products.
- Opportunity to build scalable telecom solutions for global enterprises.
- Team-oriented, technology-driven work culture.
- Continuous learning and career growth opportunities.
- Competitive salary and performance-based incentives.

Required Skills WebRTC IP & RTP Protocols OPENSIP Freeswitch Kamailio FusionPBX REST APIs & Linux VoIP & Asterisk

Disclaimer: This has been sourced from a public domain and may have been modified by Naukri.com to improve clarity for our users. We encourage job seekers to verify all details directly with the employer via their official channels before applying.

📌 VOIP Developer (Ahmedabad)
🏢 Elision TechnoLab
📍 Ahmedabad